[INFO] fetching crate vtracer 0.2.1...
[INFO] testing vtracer-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate vtracer 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate vtracer 0.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vtracer 0.2.1
[INFO] finished tweaking crates.io crate vtracer 0.2.1
[INFO] tweaked toml for crates.io crate vtracer 0.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate vtracer 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d88bc9223cdd3f05070ae0e99555a407dda54e2c80537772130027ea3ba5c78
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d88bc9223cdd3f05070ae0e99555a407dda54e2c80537772130027ea3ba5c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d88bc9223cdd3f05070ae0e99555a407dda54e2c80537772130027ea3ba5c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d88bc9223cdd3f05070ae0e99555a407dda54e2c80537772130027ea3ba5c78", kill_on_drop: false }`
[INFO] [stdout] 7d88bc9223cdd3f05070ae0e99555a407dda54e2c80537772130027ea3ba5c78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e71c3df205be12e9a80b5e6cba64f77bb6e18bf303ee75e3a050eacad2392d73
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e71c3df205be12e9a80b5e6cba64f77bb6e18bf303ee75e3a050eacad2392d73", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling roots v0.0.6
[INFO] [stderr]    Compiling image v0.23.12
[INFO] [stderr]    Compiling flo_curves v0.3.1
[INFO] [stderr]    Compiling visioncortex v0.4.0
[INFO] [stderr]    Compiling vtracer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stdout]   --> src/converter.rs:99:26
[INFO] [stdout]    |
[INFO] [stdout] 99 |         Ok(file) => file.to_rgba(),
[INFO] [stdout]    |                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.05s
[INFO] running `Command { std: "docker" "inspect" "e71c3df205be12e9a80b5e6cba64f77bb6e18bf303ee75e3a050eacad2392d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e71c3df205be12e9a80b5e6cba64f77bb6e18bf303ee75e3a050eacad2392d73", kill_on_drop: false }`
[INFO] [stdout] e71c3df205be12e9a80b5e6cba64f77bb6e18bf303ee75e3a050eacad2392d73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d1815565b384a700dedc6265ac7ccee3d6f6a1dee36668e125b844799d50e335
[INFO] running `Command { std: "docker" "start" "-a" "d1815565b384a700dedc6265ac7ccee3d6f6a1dee36668e125b844799d50e335", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stdout]   --> src/converter.rs:99:26
[INFO] [stdout]    |
[INFO] [stdout] 99 |         Ok(file) => file.to_rgba(),
[INFO] [stdout]    |                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vtracer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stdout]   --> src/converter.rs:99:26
[INFO] [stdout]    |
[INFO] [stdout] 99 |         Ok(file) => file.to_rgba(),
[INFO] [stdout]    |                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "d1815565b384a700dedc6265ac7ccee3d6f6a1dee36668e125b844799d50e335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1815565b384a700dedc6265ac7ccee3d6f6a1dee36668e125b844799d50e335", kill_on_drop: false }`
[INFO] [stdout] d1815565b384a700dedc6265ac7ccee3d6f6a1dee36668e125b844799d50e335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 994345f52873531c96511be88b4acc5bd172d36eaaabb4ee4b9fd6c9f70ca698
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "994345f52873531c96511be88b4acc5bd172d36eaaabb4ee4b9fd6c9f70ca698", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stderr]   --> src/converter.rs:99:26
[INFO] [stderr]    |
[INFO] [stderr] 99 |         Ok(file) => file.to_rgba(),
[INFO] [stderr]    |                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stderr]   --> src/converter.rs:99:26
[INFO] [stderr]    |
[INFO] [stderr] 99 |         Ok(file) => file.to_rgba(),
[INFO] [stderr]    |                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vtracer-a9a2de9a4d189716
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vtracer-872dfce4468e24c5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vtracer
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "994345f52873531c96511be88b4acc5bd172d36eaaabb4ee4b9fd6c9f70ca698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994345f52873531c96511be88b4acc5bd172d36eaaabb4ee4b9fd6c9f70ca698", kill_on_drop: false }`
[INFO] [stdout] 994345f52873531c96511be88b4acc5bd172d36eaaabb4ee4b9fd6c9f70ca698